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https://issues.apache.org/jira/browse/YARN-3164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14319581#comment-14319581
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Bibin A Chundatt commented on YARN-3164:
----------------------------------------
[~xgong] I did look at the method but same way was not able to do. please do
correct me if i am wrong
In HAAdmin the errOut is Initialized as below and used in function
{code}
public abstract class HAAdmin extends Configured implements Tool {
/** Output stream for errors, for use in tests */
protected PrintStream errOut = System.err;
protected PrintStream out = System.out;
}
private void printUsage(PrintStream errOut, String cmd) {
..
errOut.println("Usage: HAAdmin [" + cmd + " " + usage.args + "]");
}
{code}
Error out gets initialized in Setup of TestRMAdminCli. So when tried to set
Sys.err in test method didnt work out.
For {code}class DFSHAAdmin extends HAAdmin {code} also the same way its handled
.DFSHAAdmin have added method {color:red}setErrOut{color} for that too.
Another option is to set System.err in {color:red}Before{color} of
TestRMAdminCli before initializing *rmAdminCLIWithHAEnabled* variable. So
hoping that current implementation is fine what do you say?
> rmadmin command usage prints incorrect command name
> ---------------------------------------------------
>
> Key: YARN-3164
> URL: https://issues.apache.org/jira/browse/YARN-3164
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.6.0
> Reporter: Bibin A Chundatt
> Assignee: Bibin A Chundatt
> Priority: Minor
> Attachments: YARN-3164.1.patch, YARN-3164.2.patch
>
>
> /hadoop/bin>{color:red} ./yarn rmadmin -transitionToActive {color}
> transitionToActive: incorrect number of arguments
> Usage:{color:red} HAAdmin {color} [-transitionToActive <serviceId>
> [--forceactive]]
> >{color:red} ./yarn HAAdmin {color}
> Error: Could not find or load main class HAAdmin
> Expected it should be rmadmin
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